21025446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 45719520

約数和(自身を除く): 24694074

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2473, 2834, 4251, 4946, 7419, 8502, 14838, 32149, 64298, 96447, 192894, 269557, 539114, 808671, 1617342, 3504241, 7008482, 10512723, 21025446]

約数ペア:

[(1, 21025446), (2, 10512723), (3, 7008482), (6, 3504241), (13, 1617342), (26, 808671), (39, 539114), (78, 269557), (109, 192894), (218, 96447), (327, 64298), (654, 32149), (1417, 14838), (2473, 8502), (2834, 7419), (4251, 4946)]